From bfd3f37be309c3647844aed937e6a66aad5fd3cb Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Fri, 29 Oct 2010 15:51:52 -0400
Subject: Fix comparisons of pointers with zero to compare with NULL instead.

Per C standard, these are semantically the same thing; but saying NULL
when you mean NULL is good for readability.

Marti Raudsepp, per results of INRIA's Coccinelle.
---
 src/backend/utils/adt/tsrank.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/backend/utils/adt/tsrank.c')

diff --git a/src/backend/utils/adt/tsrank.c b/src/backend/utils/adt/tsrank.c
index d61bcdd4266..b0417de1262 100644
--- a/src/backend/utils/adt/tsrank.c
+++ b/src/backend/utils/adt/tsrank.c
@@ -395,7 +395,7 @@ getWeights(ArrayType *win)
 	int			i;
 	float4	   *arrdata;
 
-	if (win == 0)
+	if (win == NULL)
 		return weights;
 
 	if (ARR_NDIM(win) != 1)
-- 
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